hi, im using jboss tools in windows xp and when i try to generate entities from database i got this exception Can't generate seam entities org.hibernate.console.HibernateConsoleRuntimeException: Could not create JPA based Configuration Could not create JPA based Configuration org.hibernate.console.HibernateConsoleRuntimeException: Could not create JPA based Configuration Could not create JPA based Configuration java.lang.reflect.InvocationTargetException: <no message> java.lang.reflect.InvocationTargetException javax.persistence.PersistenceException: java.lang.IllegalArgumentException: Unable to visit JAR file:/C:/Documents and Settings/luis/workspace/pruebaSeam/build/classes. Cause: Illegal character in path at index 18: file:/C:/Documents and Settings/luis/workspace/pruebaSeam/build/classes java.lang.IllegalArgumentException: Unable to visit JAR file:/C:/Documents and Settings/luis/workspace/pruebaSeam/build/classes. Cause: Illegal character in path at index 18: file:/C:/Documents and Settings/luis/workspace/pruebaSeam/build/classes java.lang.IllegalArgumentException: Unable to visit JAR file:/C:/Documents and Settings/luis/workspace/pruebaSeam/build/classes. Cause: Illegal character in path at index 18: file:/C:/Documents and Settings/luis/workspace/pruebaSeam/build/classes Unable to visit JAR file:/C:/Documents and Settings/luis/workspace/pruebaSeam/build/classes. Cause: Illegal character in path at index 18: file:/C:/Documents and Settings/luis/workspace/pruebaSeam/build/classes can anyone help me? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4234844#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...